\begin{table}[H]
\centering
\caption{Summary statistics of comparable demographics both in the Arab Barometer sample, the Arab Barometer internet user sample, and the experimental sample} 
\label{tab:abc_1}
\resizebox{\textwidth}{!}{ \begin{tabular}{lcccc}
  \hline
 & \multicolumn{1}{>{\centering}p{3cm}}{Arab Barometer sample} & \multicolumn{1}{>{\centering}p{3.5cm}}{Arab Barometer internet user sample} & \multicolumn{1}{>{\centering}p{3cm}}{Experimental sample} & \multicolumn{1}{>{\centering}p{3.5cm}}{Arab Barometer survey years} \\ 
  \hline
Age & 38.457 & 30.238 & 31.598 & 2016, 2018 \\ 
   & 13.930 & 10.440 & 9.137 &  \\ 
   & 1826 & 792 & 4165 &  \\ 
   \hline
Education & 3.352 & 4.701 & 5.344 & 2016, 2018 \\ 
   & 1.768 & 1.225 & 1.179 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Whether single & 0.176 & 0.341 & 0.290 & 2016, 2018 \\ 
   & 0.381 & 0.475 & 0.454 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Whether engaged & 0.053 & 0.114 & 0.044 & 2016, 2018 \\ 
   & 0.225 & 0.318 & 0.205 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Whether married & 0.606 & 0.479 & 0.570 & 2016, 2018 \\ 
   & 0.489 & 0.500 & 0.495 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Whether separated & 0.047 & 0.047 & 0.081 & 2016, 2018 \\ 
   & 0.211 & 0.213 & 0.272 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Whether widowed & 0.118 & 0.019 & 0.016 & 2016, 2018 \\ 
   & 0.322 & 0.137 & 0.124 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Social status & 3.911 & 2.992 & 3.253 & 2016, 2018 \\ 
   & 3.049 & 1.565 & 1.556 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Number of children & 1.090 & 0.916 & 1.274 & 2016, 2018 \\ 
   & 1.376 & 1.235 & 1.327 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Facebook & 0.372 & 0.877 & 0.884 & 2016, 2018 \\ 
   & 0.484 & 0.328 & 0.321 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
WhatsApp & 0.303 & 0.648 & 0.857 & 2018 \\ 
   & 0.460 & 0.478 & 0.351 &  \\ 
   & 1200 & 598 & 4165 &  \\ 
   \hline
YouTube & 0.220 & 0.471 & 0.387 & 2018 \\ 
   & 0.415 & 0.500 & 0.487 &  \\ 
   & 1200 & 598 & 4165 &  \\ 
   \hline
Instagram & 0.117 & 0.276 & 0.199 & 2016, 2018 \\ 
   & 0.321 & 0.447 & 0.399 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Twitter & 0.111 & 0.262 & 0.080 & 2016, 2018 \\ 
   & 0.315 & 0.440 & 0.272 &  \\ 
   & 1861 & 801 & 4165 &  \\ 
   \hline
Snapchat & 0.040 & 0.085 & 0.043 & 2018 \\ 
   & 0.195 & 0.279 & 0.203 &  \\ 
   & 1200 & 598 & 4165 &  \\ 
   \hline
Hours spent on social media & 1.747 & 2.595 & 2.879 & 2018 \\ 
   & 0.942 & 0.737 & 0.896 &  \\ 
   & 1200 & 598 & 4165 &  \\ 
   \hline
\end{tabular}}
\justify {\footnotesize \textit{Notes:} For every variable, each row shows the mean, standard deviation, and number of observations.} \end{table}
 
